Novel battery module structure

Abstract

The utility model discloses a novel battery module structure which comprises a battery cell module which is connected through a metal plate end plate, a plastic end plate and a ribbon, and the battery cell module comprises a plurality of battery cells which are separated by foam; comprising two battery cell modules, namely a battery cell module I and a battery cell module II, pC insulating sheets are arranged at the two ends of the first battery cell module, and a second metal plate end plate and a first metal plate end plate are arranged on the outer sides of the PC insulating sheets; a first plastic end plate is arranged on the outer side of the first metal plate end plate. The plurality of battery cells, the PC insulating sheet, the metal plate end plate II, the metal plate end plate I and the plastic end plate I which are separated by the foam are bound together by the binding belt; pC insulating sheets are arranged at the two ends of the battery cell module II; a metal plate end plate IV and a metal plate end plate III are arranged on the outer sides of the PC insulating sheets; a plastic end plate II is arranged on the outer side of the metal plate end plate III; and the plurality of battery cells, the PC insulating sheet, the metal plate end plate IV, the metal plate end plate III and the plastic end plate II which are separated by the foam are bound together by the binding belt. The utility model solves the problems of difficult fixation of small modules and insulation of positive and negative wire harnesses.

Description

Technical Field

[0001] This utility model specifically relates to a novel battery module structure. Background Technology

[0002] The electric motorcycle and two-wheeled vehicle battery swapping industry is developing rapidly, and the demand for electricity is increasing. The conventional solution is to use multiple battery cells connected together to form a battery cell module. However, when assembling two battery cell modules together into a large module, problems arise such as inconsistent heights of the smaller modules, making them difficult to fix, as well as insulation issues with the positive and negative wire harnesses. Furthermore, the structural strength does not meet the testing requirements.

[0003] In order to solve the above problems, this utility model is hereby proposed. Utility Model Content

[0004] The purpose of this invention is to provide a novel battery module structure.

[0005] To solve the above technical problems, the following technical solution is adopted:

[0006] A novel battery module structure includes a cell module connected by a sheet metal end plate, a plastic end plate, and cable ties. The cell module includes multiple cells separated by foam.

[0007] Furthermore, it includes two battery cell modules, namely battery cell module one and battery cell module two.

[0008] Preferably, the two ends of the first battery cell module include PC insulating sheets, and the outer side of the PC insulating sheets is provided with a second sheet metal end plate and a first sheet metal end plate; the outer side of the first sheet metal end plate is provided with a first plastic end plate; the cable ties bind together a number of battery cells, PC insulating sheets, second sheet metal end plate, first sheet metal end plate and first plastic end plate that are separated by foam.

[0009] Preferably, the two ends of the second battery cell module include PC insulating sheets, and the outer side of the PC insulating sheets is provided with sheet metal end plate four and sheet metal end plate three; the outer side of sheet metal end plate three is provided with plastic end plate two; the cable ties bind together a number of battery cells, PC insulating sheets, sheet metal end plate four, sheet metal end plate three and plastic end plate two that are separated by foam.

[0010] Furthermore, the second sheet metal end plate has a U-shaped structure, and one side of the U-shaped structure of the second sheet metal end plate forms a connecting plate one, a connecting plate two, and a connecting plate three; the connecting plate one, the connecting plate two, and the connecting plate three are provided with connecting holes.

[0011] Preferably, the main body of the sheet metal end plate is a U-shaped part, and pre-embedded nut post three and pre-embedded nut post four are formed on the outer side of one side of the U-shaped part of the sheet metal end plate.

[0012] Preferably, the sheet metal end plate four has a U-shaped structure, with connecting plate one, connecting plate two, and connecting plate three forming one outer side of the U-shaped structure of the sheet metal end plate four; and pre-embedded nut post one and pre-embedded nut post two forming the other outer side.

[0013] Furthermore, the main body of the sheet metal end plate three is a U-shaped part. The U-shaped main body of the sheet metal end plate three is snapped onto one side of the battery cell module. The outer side of the sheet metal end plate three is provided with pre-embedded nut post five and pre-embedded nut post six, which pass through the through hole of the plastic end plate two.

[0014] Preferably, the screw passes through connecting plate one, connecting plate two, and connecting plate three on one side of sheet metal end plate two and sheet metal end plate four, and the pre-embedded nut is installed on the screw to connect sheet metal end plate two and sheet metal end plate four together.

[0015] Furthermore, it also includes 7-shaped sheet metal part one and 7-shaped sheet metal part two; 7-shaped sheet metal part one and 7-shaped sheet metal part two are provided with through holes, and pre-embedded nut post three, pre-embedded nut post four, pre-embedded nut post five and pre-embedded nut post six pass through the through holes, and screws are locked onto pre-embedded nut post three, pre-embedded nut post four, pre-embedded nut post five and pre-embedded nut post six.

[0016] Beneficial technical effects:

[0017] This utility model sets up small modules, which are fixed with screws on sheet metal end plates. On the other side, a sheet metal part is attached to the sheet metal end plates of the two modules with screws, so that the two modules form a large module. This module structure effectively solves the problems of difficulty in fixing the two small modules due to their different heights and the insulation of the positive and negative wire harnesses. Moreover, the structural strength meets the testing requirements and the production process is easy to operate. Attached Figure Description

[0018] The present invention will be further described below with reference to the accompanying drawings.

[0019] Figure 1 This is a schematic diagram of the structure of the battery cell module of this utility model.

[0020] Figure 2 This is a schematic diagram of the second structure of the battery cell module of this utility model.

[0021] Figure 3 This is a schematic diagram of the battery module of this utility model from one angle.

[0022] Figure 4 This is a schematic diagram of the battery module of this utility model from another angle.

[0023] Figure 5 for Figure 4 A magnified view of a portion of the image.

[0024] Figure 6This is another angle structural diagram of the battery module of this utility model.

[0025] Figure 7 for Figure 5 A magnified view of a portion of the image.

[0026] In the diagram: 1. Plastic end plate one; 2. Sheet metal end plate one; 21. Embedded nut post three; 22. Embedded nut post four; 3. Cable tie; 4. Battery cell; 5. Foam; 6. Sheet metal end plate two; 61. Connecting plate one; 62. Connecting plate two; 63. Connecting plate three; 64. PC insulating sheet; 7. Sheet metal end plate three; 71. Embedded nut post five; 72. Embedded nut post six; 8. Plastic end plate two; 9. Sheet metal end plate four; 91. Embedded nut post one; 92. Embedded nut post two; 10. L-shaped sheet metal part one; 11. L-shaped sheet metal part two; 12. Battery cell module two; 13. Battery cell module one. Detailed Implementation

[0027] The technical solutions of this utility model will be clearly and completely described below with reference to the embodiments of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of this utility model.

[0028] Reference Figures 1-7 As shown, a novel battery module structure includes a cell module connected by a sheet metal end plate, a plastic end plate, and a cable tie 3. The cell module includes multiple cells 4 separated by foam 5.

[0029] In this embodiment, there are two battery cell modules, namely battery cell module 13 and battery cell module 2 12.

[0030] The two ends of the battery cell module 13 include PC insulating sheets 64. Sheet metal end plates 6 and 2 are provided on the outer side of the PC insulating sheets 64. Plastic end plates 1 are provided on the outer side of the sheet metal end plates 2. Cable ties 3 bind together several battery cells 4, PC insulating sheets 64, sheet metal end plates 6, sheet metal end plates 2 and plastic end plates 1 that are separated by foam 5.

[0031] The two ends of the battery cell module 2 12 include PC insulating sheets 64. Sheet metal end plates 4 and 3 are provided on the outside of the PC insulating sheets 64. Plastic end plates 2 8 are provided on the outside of the sheet metal end plates 3 7. Cable ties 3 bind together several battery cells 4, PC insulating sheets 64, sheet metal end plates 4 and 3 and plastic end plates 2 8 that are separated by foam 5.

[0032] Sheet metal end plate 2 6 has a U-shaped structure, and connecting plate 1 61, connecting plate 2 62, and connecting plate 3 63 are formed on the outer side of one side of the U-shaped structure of sheet metal end plate 2 6. Connecting holes are provided on connecting plate 1 61, connecting plate 2 62, and connecting plate 3 63.

[0033] The main body of sheet metal end plate 12 is a U-shaped part, and pre-embedded nut post 321 and pre-embedded nut post 42 are formed on the outer side of one side of the U-shaped part of sheet metal end plate 12.

[0034] Sheet metal end plate 49 has a U-shaped structure. On one side of the U-shaped structure of sheet metal end plate 49, connecting plate 1 61, connecting plate 2 62, and connecting plate 3 63 are formed; on the other side, embedded nut post 1 91 and embedded nut post 2 92 are formed.

[0035] The main body of sheet metal end plate 3 7 is a U-shaped part. The U-shaped main body of sheet metal end plate 3 7 is snapped onto one side of the battery cell 4 at one end of the battery cell module. The outer side of sheet metal end plate 3 7 is provided with embedded nut post 5 71 and embedded nut post 6 72. Embedded nut post 5 71 and embedded nut post 6 72 pass through the through hole of plastic end plate 2 8.

[0036] The screws pass through the connecting plates 61, 62, and 63 on one side of the sheet metal end plate 2 6 and sheet metal end plate 4 9. The pre-embedded nuts are installed on the screws to connect the sheet metal end plate 2 6 and sheet metal end plate 4 9 together.

[0037] It also includes a 7-shaped sheet metal part 10 and a 7-shaped sheet metal part 21; the 7-shaped sheet metal parts 10 and 21 are provided with through holes, and pre-embedded nut posts 31, 42, 51, and 62 pass through the through holes, locking screws onto the pre-embedded nut posts 321, 422, 51, and 62, thereby connecting sheet metal end plate 37 and sheet metal end plate 12. This, in turn, connects and fixes battery cell module 13 and battery cell module 22.

[0038] This battery module is composed of two small modules. One module has 12 cells, and the other has 10 cells. The cells are 27Ah square batteries, and the two cells are separated by foam. One end of each module has a sheet metal end plate, and the other end is a combination of a sheet metal end plate and a plastic end plate. After the module is compressed to the specified size using a tooling, it is fixed with cable ties to form two independent small modules. The two small modules are fixed on one side using screws on the sheet metal end plates, and on the other side, a sheet metal part is attached to the sheet metal end plates of the two modules with screws, thus forming a large module.

[0039] This module structure effectively solves the problems of inconsistent heights between two small modules, making them difficult to fix, and the insulation of the positive and negative wire harnesses. Furthermore, the structural strength meets testing requirements, and the production process is easy to operate.

[0040] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A novel battery module structure, characterized by, Including the battery cell module connected by the sheet metal end plate, the plastic end plate and the cable tie, the battery cell module includes a plurality of battery cells separated by the foam; Including two battery cell modules, namely battery cell module one and battery cell module two.

2. The novel battery module structure according to claim 1, wherein Both ends of the battery cell module one include PC insulating sheets, and the outer sides of the PC insulating sheets are provided with sheet metal end plate two and sheet metal end plate one; the outer side of the sheet metal end plate one is provided with a plastic end plate one; the cable tie bundles the battery cells separated by the foam, the PC insulating sheets, the sheet metal end plate two, the sheet metal end plate one and the plastic end plate one together.

3. The novel battery module structure of claim 2, wherein Both ends of the battery cell module two include PC insulating sheets, and the outer sides of the PC insulating sheets are provided with sheet metal end plate four and sheet metal end plate three; the outer side of the sheet metal end plate three is provided with a plastic end plate two; the cable tie bundles the battery cells separated by the foam, the PC insulating sheets, the sheet metal end plate four, the sheet metal end plate three and the plastic end plate two together.

4. The novel battery module structure of claim 2, wherein The sheet metal end plate two is a U-shaped structure, and one side of the U-shaped structure of the sheet metal end plate two forms a connecting plate one, a connecting plate two and a connecting plate three; the connecting plate one, the connecting plate two and the connecting plate three are provided with connecting holes.

5. The novel battery module structure of claim 2, wherein The main body of the sheet metal end plate one is a U-shaped piece, and one side of the U-shaped piece of the sheet metal end plate one forms a pre-buried nut column three and a pre-buried nut column four.

6. The novel battery module structure of claim 3, wherein The sheet metal end plate four is a U-shaped structure, and one side of the U-shaped structure of the sheet metal end plate four forms a connecting plate one, a connecting plate two and a connecting plate three; the other side forms a pre-buried nut column one and a pre-buried nut column two.

7. The novel battery module structure of claim 3, wherein The main body of the sheet metal end plate three is a U-shaped piece, and the U-shaped body of the sheet metal end plate three is buckled on one side of the battery cell at one end of the battery cell module; the outer side of the sheet metal end plate three is provided with a pre-buried nut column five and a pre-buried nut column six, and the pre-buried nut column five and the pre-buried nut column six pass through the through hole of the plastic end plate two.

8. The novel battery module structure of claim 3, wherein It also includes a 7-shaped sheet metal piece one and a 7-shaped sheet metal piece two; the 7-shaped sheet metal piece one and the 7-shaped sheet metal piece two are provided with through holes, and the pre-buried nut column three, the pre-buried nut column four, the pre-buried nut column five and the pre-buried nut column six pass through the through holes to lock the screws on the pre-buried nut column three, the pre-buried nut column four, the pre-buried nut column five and the pre-buried nut column six.

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